Live feeders why r they bad ?

  • We are currently upgrading MFK. thanks! -neo
I'm surprised that no one has mentioned that feeder goldfish contain high levels of thiaminase which breaks down thiamine in predators fed exclusively or mainly on feeders. Reduced thiamine levels leads to poor growth, neurological disorders, reduced activity, and high mortality rates.

Feeding the occassional gut-loaded feeder is OK provided the feeder is fairly certain to be free of disease and parasites. A better live feeder would be shiners since they have little thiaminase and are higher in omega-3 beneficial fats/lower in omega-6 fatty acids.
 
Oddball said:
I'm surprised that no one has mentioned that feeder goldfish contain high levels of thiaminase which breaks down thiamine in predators fed exclusively or mainly on feeders. Reduced thiamine levels leads to poor growth, neurological disorders, reduced activity, and high mortality rates.
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From my observation, Hydrolycus and Hydrocynus, that are on live feeders, grow faster than the ones that eat pellets and dried food. I also read that some member, who has kept Hydrolycus, believe that those big Hydrolycus in Asia were able to live and grow that big, because they were mainly fed live feeders.
 
In asia, they also feed their rearing ponds hormone treated foods. So, I wouldn't base too much on their practices compared to the USs overcrowded feeder goldfish ponds where their stock is treated with high levels of chelated copper to reduce diseases inherent in overcrowded conditions. IMO, feeder goldfish from nearly every commercial avenue is simply bad news waiting to happen. I'll stick to my WC shiners.
 
Well i raised my giant snakehrads on feeders and they grew really fast but now i mainly feed them frozen smelts and the ocasional mouse . I have had them for about a year and a half and they r 26" to 28 " in length and now i have to build a bigger tank for them cause they have almost out grown the tank that they are currently in . Thanks for the info i really do appricate it !

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